mirror of
https://github.com/usememos/memos.git
synced 2025-06-05 22:09:59 +02:00
chore: fix postgres stmts
This commit is contained in:
Steven
@ -4,77 +4,61 @@ import (
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"context"
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"database/sql"
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"fmt"
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"time"
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"github.com/Masterminds/squirrel"
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"github.com/pkg/errors"
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"strings"
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"github.com/usememos/memos/store"
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)
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func (d *DB) CreateResource(ctx context.Context, create *store.Resource) (*store.Resource, error) {
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qb := squirrel.Insert("resource").Columns("filename", "blob", "external_link", "type", "size", "creator_id", "internal_path", "memo_id")
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values := []any{create.Filename, create.Blob, create.ExternalLink, create.Type, create.Size, create.CreatorID, create.InternalPath, create.MemoID}
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fields := []string{"filename", "blob", "external_link", "type", "size", "creator_id", "internal_path", "memo_id"}
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args := []any{create.Filename, create.Blob, create.ExternalLink, create.Type, create.Size, create.CreatorID, create.InternalPath, create.MemoID}
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qb = qb.Values(values...).Suffix("RETURNING id")
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query, args, err := qb.PlaceholderFormat(squirrel.Dollar).ToSql()
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if err != nil {
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stmt := "INSERT INTO resource (" + strings.Join(fields, ", ") + ") VALUES (" + placeholders(len(args)) + ") RETURNING id, created_ts, updated_ts"
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if err := d.db.QueryRowContext(ctx, stmt, args...).Scan(&create.ID, &create.CreatedTs, &create.UpdatedTs); err != nil {
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return nil, err
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}
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var id int32
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err = d.db.QueryRowContext(ctx, query, args...).Scan(&id)
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if err != nil {
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return nil, err
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}
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list, err := d.ListResources(ctx, &store.FindResource{ID: &id})
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if err != nil {
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return nil, err
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}
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if len(list) != 1 {
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return nil, errors.Wrapf(nil, "unexpected resource count: %d", len(list))
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}
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return list[0], nil
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return create, nil
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}
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func (d *DB) ListResources(ctx context.Context, find *store.FindResource) ([]*store.Resource, error) {
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qb := squirrel.Select("id", "filename", "external_link", "type", "size", "creator_id", "created_ts", "updated_ts", "internal_path", "memo_id").From("resource")
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where, args := []string{"1 = 1"}, []any{}
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if v := find.ID; v != nil {
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qb = qb.Where(squirrel.Eq{"id": *v})
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where, args = append(where, "id = "+placeholder(len(args)+1)), append(args, *v)
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}
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if v := find.CreatorID; v != nil {
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qb = qb.Where(squirrel.Eq{"creator_id": *v})
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where, args = append(where, "creator_id = "+placeholder(len(args)+1)), append(args, *v)
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}
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if v := find.Filename; v != nil {
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qb = qb.Where(squirrel.Eq{"filename": *v})
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where, args = append(where, "filename = "+placeholder(len(args)+1)), append(args, *v)
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}
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if v := find.MemoID; v != nil {
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qb = qb.Where(squirrel.Eq{"memo_id": *v})
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where, args = append(where, "memo_id = "+placeholder(len(args)+1)), append(args, *v)
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}
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if find.HasRelatedMemo {
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qb = qb.Where("memo_id IS NOT NULL")
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where = append(where, "memo_id IS NOT NULL")
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}
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fields := []string{"id", "filename", "external_link", "type", "size", "creator_id", "created_ts", "updated_ts", "internal_path", "memo_id"}
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if find.GetBlob {
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qb = qb.Columns("blob")
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fields = append(fields, "blob")
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}
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qb = qb.GroupBy("id").OrderBy("created_ts DESC")
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query := fmt.Sprintf(`
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SELECT
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%s
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FROM resource
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WHERE %s
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GROUP BY id
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ORDER BY created_ts DESC
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`, strings.Join(fields, ", "), strings.Join(where, " AND "))
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if find.Limit != nil {
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qb = qb.Limit(uint64(*find.Limit))
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query = fmt.Sprintf("%s LIMIT %d", query, *find.Limit)
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if find.Offset != nil {
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qb = qb.Offset(uint64(*find.Offset))
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query = fmt.Sprintf("%s OFFSET %d", query, *find.Offset)
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}
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}
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query, args, err := qb.PlaceholderFormat(squirrel.Dollar).ToSql()
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if err != nil {
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return nil, err
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}
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rows, err := d.db.QueryContext(ctx, query, args...)
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if err != nil {
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return nil, err
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@ -103,7 +87,6 @@ func (d *DB) ListResources(ctx context.Context, find *store.FindResource) ([]*st
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if err := rows.Scan(dests...); err != nil {
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return nil, err
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}
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if memoID.Valid {
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resource.MemoID = &memoID.Int32
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}
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@ -118,88 +101,72 @@ func (d *DB) ListResources(ctx context.Context, find *store.FindResource) ([]*st
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}
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func (d *DB) UpdateResource(ctx context.Context, update *store.UpdateResource) (*store.Resource, error) {
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qb := squirrel.Update("resource")
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set, args := []string{}, []any{}
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if v := update.UpdatedTs; v != nil {
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qb = qb.Set("updated_ts", time.Unix(0, *v))
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set, args = append(set, "updated_ts = "+placeholder(len(args)+1)), append(args, *v)
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}
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if v := update.Filename; v != nil {
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qb = qb.Set("filename", *v)
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set, args = append(set, "filename = "+placeholder(len(args)+1)), append(args, *v)
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}
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if v := update.InternalPath; v != nil {
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qb = qb.Set("internal_path", *v)
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set, args = append(set, "internal_path = "+placeholder(len(args)+1)), append(args, *v)
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}
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if v := update.MemoID; v != nil {
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qb = qb.Set("memo_id", *v)
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set, args = append(set, "memo_id = "+placeholder(len(args)+1)), append(args, *v)
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}
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if v := update.Blob; v != nil {
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qb = qb.Set("blob", v)
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set, args = append(set, "blob = "+placeholder(len(args)+1)), append(args, v)
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}
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qb = qb.Where(squirrel.Eq{"id": update.ID})
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query, args, err := qb.PlaceholderFormat(squirrel.Dollar).ToSql()
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if err != nil {
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fields := []string{"id", "filename", "external_link", "type", "size", "creator_id", "created_ts", "updated_ts", "internal_path"}
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stmt := `
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UPDATE resource
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SET ` + strings.Join(set, ", ") + `
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WHERE id = ` + placeholder(len(args)+1) + `
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RETURNING ` + strings.Join(fields, ", ")
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args = append(args, update.ID)
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resource := store.Resource{}
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dests := []any{
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&resource.ID,
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&resource.Filename,
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&resource.ExternalLink,
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&resource.Type,
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&resource.Size,
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&resource.CreatorID,
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&resource.CreatedTs,
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&resource.UpdatedTs,
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&resource.InternalPath,
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}
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if err := d.db.QueryRowContext(ctx, stmt, args...).Scan(dests...); err != nil {
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return nil, err
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}
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if _, err := d.db.ExecContext(ctx, query, args...); err != nil {
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return nil, err
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}
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list, err := d.ListResources(ctx, &store.FindResource{ID: &update.ID})
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if err != nil {
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return nil, err
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}
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if len(list) != 1 {
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return nil, errors.Wrapf(nil, "unexpected resource count: %d", len(list))
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}
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return list[0], nil
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return &resource, nil
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}
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func (d *DB) DeleteResource(ctx context.Context, delete *store.DeleteResource) error {
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qb := squirrel.Delete("resource").Where(squirrel.Eq{"id": delete.ID})
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query, args, err := qb.PlaceholderFormat(squirrel.Dollar).ToSql()
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stmt := `DELETE FROM resource WHERE id = $1`
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result, err := d.db.ExecContext(ctx, stmt, delete.ID)
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if err != nil {
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return err
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}
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result, err := d.db.ExecContext(ctx, query, args...)
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if err != nil {
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return err
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}
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if _, err := result.RowsAffected(); err != nil {
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return err
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}
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return nil
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}
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if err := d.Vacuum(ctx); err != nil {
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// Prevent linter warning.
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func vacuumResource(ctx context.Context, tx *sql.Tx) error {
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stmt := `
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DELETE FROM
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resource
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WHERE
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creator_id NOT IN (SELECT id FROM "user")`
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_, err := tx.ExecContext(ctx, stmt)
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if err != nil {
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return err
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}
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return nil
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}
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func vacuumResource(ctx context.Context, tx *sql.Tx) error {
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// First, build the subquery
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subQuery, subArgs, err := squirrel.Select("id").From(`"user"`).PlaceholderFormat(squirrel.Dollar).ToSql()
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if err != nil {
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return err
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}
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// Now, build the main delete query using the subquery
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query, args, err := squirrel.Delete("resource").
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Where(fmt.Sprintf("creator_id NOT IN (%s)", subQuery), subArgs...).
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PlaceholderFormat(squirrel.Dollar).
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ToSql()
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if err != nil {
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return err
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}
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// Execute the query
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_, err = tx.ExecContext(ctx, query, args...)
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return err
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}
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